Zinc Citrate 50 by NutriCology — Ingredients, Evidence & Safety

Product Label

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Safety Alerts

⚠️ Zinc: 50mg is 1.2× the Tolerable Upper Intake Level (40mg)

This product received a low safety score because its 50mg dose of zinc exceeds the recommended maximum daily limit of 40mg.

Label Data

1 Capsule(s) Serving Size

60 Servings

Mineral Product Type

100% Evidence Coverage

Supplement Facts — Evidence Check

Zinc

50 mg (455% DV)

⚠️ Exceeds Tolerable Upper Intake Level by 1.2× (UL: 40 mg) 📚 258 studies (Tier A: 6, B: 134)

RDA 11mg This product: 50mg UL 40mg

Other Ingredients

Hydroxypropyl Methylcellulose Nu-Flow Nu-Mag

Label Claims — Verification

❓ Nutrient

❓ All Other

❓ Structure/Function

All Other (99% of products) Structure/Function (83% of products) Nutrient (61% of products) Approved Health (4% of products)

Target Groups

Adult (18 - 50 Years)

Product Information

📋 Directions for Use

Suggested Use As a dietary supplement, 1 capsule one to three times daily, or as directed by a healthcare practitioner.

⚠️ Warnings & Precautions

Contraindicated with use of aluminum containing drugs.

Warning: Consuming this product can expose you to lead which is known to the State of California to cause birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov/food

🧪 Formulation Notes

Zinc is a trace mineral that is involved in more than 300 enzyme reactions in the body. Zinc citrate is well-tolerated and well-absorbed.

Pure, Well-Absorbed Zinc Hypoallergenic

Additional Information

Keep in a cool, dry place, tightly capped.

Product Details

UPC / SKU 7 13947 50290 1

DSLD Entry Date 2022-01-22

Product Type Mineral

Form Capsule

Brand NutriCology

DSLD ID 258900

Data Updated 2026-04-11

Research Evidence

11 Research Sources

52 Avg Quality Score

7 Rct

4 Meta Analysis

B Citrate salts for preventing and treating calcium containing kidney stones in adults

Meta Analysis The Cochrane database of systematic reviews 2015

PubMed DOI

B Effect of potassium citrate on bone density, microarchitecture, and fracture risk in healthy older adults without osteoporosis: a randomized controlled trial

Rct The Journal of clinical endocrinology and metabolism 2013

PubMed DOI

B Regional Citrate Anticoagulation or Heparin Anticoagulation for Renal Replacement Therapy in Patients With Liver Failure: A Systematic Review and Meta-Analysis

Meta Analysis Clinical and applied thrombosis/hemostasis : official journal of the International Academy of Clinical and Applied Thrombosis/Hemostasis 2023

PubMed DOI

B Effect of potassium citrate supplement on stone recurrence before or after lithotripsy: systematic review and meta-analysis

Meta Analysis Urolithiasis 2017

PubMed DOI

C Effect of Regional Citrate Anticoagulation vs Systemic Heparin Anticoagulation During Continuous Kidney Replacement Therapy on Dialysis Filter Life Span and Mortality Among Critically Ill Patients With Acute Kidney Injury: A Randomized Clinical Trial.

Rct JAMA

PubMed DOI

C Systematic review and meta-analysis: sodium picosulfate/magnesium citrate vs. polyethylene glycol for colonoscopy preparation

Meta Analysis European journal of clinical pharmacology 2016

PubMed DOI

C Potassium citrate prevents increased urine calcium excretion and bone resorption induced by a high sodium chloride diet

Rct The Journal of clinical endocrinology and metabolism 2002

PubMed

C Magnesium citrate supplementation decreased blood pressure and HbA1c in normomagnesemic subjects with metabolic syndrome: a 12-week, placebo-controlled, double-blinded pilot trial

Rct Magnesium research 2021

PubMed DOI

C The efficacy of vitamin D combined with clomiphene citrate in ovulation induction in overweight women with polycystic ovary syndrome: a double blind, randomized clinical trial.

Rct Endocrine

PubMed DOI

C Impact of Clomiphene Citrate on the Steroid Profile in Dysmetabolic Men with Low Testosterone Levels.

Rct Hormone and metabolic research = Hormon- und Stoffwechselforschung = Hormones et metabolisme

PubMed DOI

View all evidence for Magnesium Citrate →